J5342 Flap Disc Abrasive Type Coated Abrasive Material Ceramic Grade Extra Coarse Backing Plate Material Nylon Connector Size 5/8 In.-11 Connector Type Threaded Hole Density Rating Standard Flap Disc Type Type 29 Overall Diameter 4 1/2 in Series Predator HEW Backing Material Polyester Backing Weight Y Coating Coverage Closed Grit 36 Maximum Operating Speed 13 300 RPM Color Yellow Features Hard Edge Performance Coated Trimmable